CVE-2025-15406: phpgurukul online_course_registration Missing Authorization
CVSS: 8.8v3.1HighAnalyzed
Published 01-01-2026Last modified 23-02-2026
Vulnerability summary
CVE-2025-15406 is a high (CVSS 8.8) Missing Authorization vulnerability in phpgurukul online_course_registration. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.46%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 01-01-2026PublishedVulnerability first disclosed.
- 23-02-2026Last modifiedVulnerability information updated.
Description
A flaw has been found in PHPGurukul Online Course Registration up to 3.1. This affects an unknown function. This manipulation causes missing authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used.
CVSS metrics
7 scores · 2 sources · 4 versionsMedium 5.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PSources2 sources · 2.1–5.3
- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
High 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.3–8.8
- CVE.orgCNA6.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RDiffers
Medium 6.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RSourcesSingle source
Medium 6.5Preferred score · CVE.org (CNA)
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:URSourcesAll 2 agree
- NVDNIST6.5MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
-0.01 pp
From 0.46% on 20-09-2026
20-09-202620-10-2026
EPSS score0.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundOnline Course Registration
Maturity: poc
Weaknesses
CWE · root cause- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Phpgurukul1 product
- online_course_registration3.0 | 3.1 | ≤ 3.1
1 vendor · 1 product
References
5 links- github.com/rsecroot/Online-Course-Registration/blob/main/Broken%20Access%20Control.mdExploitThird Party Advisory
- phpgurukul.comProduct